CN212051473U - Sugarcane tears machine knife utensil that separates - Google Patents
Sugarcane tears machine knife utensil that separates Download PDFInfo
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- CN212051473U CN212051473U CN201922249368.2U CN201922249368U CN212051473U CN 212051473 U CN212051473 U CN 212051473U CN 201922249368 U CN201922249368 U CN 201922249368U CN 212051473 U CN212051473 U CN 212051473U
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Abstract
The utility model discloses a sugarcane tears machine knife utensil of separating, including cutter main part and wear-resisting alloy layer, the cutter main part is the plate-shaped structure of the same tool bit of thickness, parent and the butt joint of forked tail portion limit portion parallel and level, the front end of tool bit has broken working face and auxiliary working face, the preceding tip of tool bit has vertical fluting, vertical fluting is cut apart broken working face part, the wear-resisting alloy layer of filler weld in the fluting, its height keeps flat with the grooved notch, nearly tank bottom portion can the filler weld low hardness wear-resisting alloy layer earlier in the fluting, the better scheme is the part of the broken working face of cutter main part, the terminal surface of wear-resisting alloy layer and the partial build-up welding thickness of auxiliary working face are 2 ~ 5 mm's outer wear-resisting. The sugarcane stripper cutter adopting the structure has the advantages of strong shock resistance, good wear resistance, long service life and low production cost.
Description
Technical Field
The utility model relates to the technical field of sugar industry, in particular to a sugarcane tearing machine cutter used in a cane sugar factory.
Background
The crushing of the sugarcane is an important process of a pressing workshop of a cane sugar factory, the sugarcane ripping machine is important equipment for crushing and preprocessing the sugarcane, and the cutter arranged on the cutter roller is a key working part of the ripping machine. In recent years, with the popularization and application of mechanized sugarcane harvesting and the increase of occasions for loading sugarcane by using mechanized grabhook machines, the proportion of sand and stone carried in sugarcane is increased obviously, so that the abrasion of the cutter of the sugarcane ripping machine is increased, the dynamic balance unbalance of a cutter roller and the phenomenon of sugarcane blockage are caused, the production indexes such as the safety productivity and the extraction rate of sugarcane squeezing are seriously influenced, and the frequent shutdown and cutter replacement bring great economic loss to manufacturers. Therefore, the traditional cutter can not meet the requirement of production life well, and how to improve the durability and the service life of the cutter of the shredder becomes one of the technical development bottlenecks which restrict the sugar industry.
Utility model 99258881.2, this patent has proposed a cane sugar factory inlays type wear-resisting sugarcane machine sugarcane sword of cutting that excels in, and its blade has inlays the groove, will have the carbide strip welding of inlaying the tooth to regard as sugarcane sword blade edge of a knife on the edge of a knife. Utility model patent ZL201820431413.9, this patent propose but quick replacement tool bit tear machine blade. Utility model patent ZL201720131748.4, this patent provide a sugar refinery sugarcane tears machine cutter, its main characterized in that adopts plasma welding filler metal technique, at the cutter head filler metal multilayer wear-resisting alloy.
The wear-resistant alloy cutter for the shredder provided by the patents has the advantages that under the condition that mechanized harvesting and mechanical grabbing machine loading and hoisting are not used, sundries such as sand and stone carried in the sugarcane are few, the abrasion to the cutter is small after the sugarcane enters a sugarcane crushing treatment working section, and the cutter manufactured according to the patents can basically meet the use requirement of a sugar refinery in one squeezing season (120 days). However, with the popularization and use of the mechanical harvesting and the loading of the mechanical grabbing machine in the sugar producing area of the sugarcane, the amount of coarse gravel carried in the sugarcane is obviously increased, when the sugarcane enters the tearing and breaking machine to be broken, the abrasion of the cutter is aggravated, and the cutter head is often impacted by the gravel, so that the wear-resistant alloy layer of the cutter head is often cracked and peeled off. Therefore, the problems of easy brittle failure, fast wear, short service life and the like of the existing shredder cutter on the market cannot be well solved, and therefore, the development of the shredder cutter with high wear resistance, good impact resistance and low production cost becomes a technology to be urgently broken through in the sugar industry.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a sugarcane tears machine knife utensil that separates, the difficult brittle fracture that takes place of wear-resisting alloy-layer of its tool bit to have the characteristics that wearability and shock resistance are good, low in production cost, still can improve the life who tears machine knife utensil.
The technical scheme of the utility model as follows:
a sugarcane stripper cutter comprises a cutter body and a wear-resistant alloy layer, wherein the cutter body is provided with a cutter head, a parent body and a dovetail part which are connected with each other, the cutter head, the parent body and the dovetail part are of plate-shaped structures with the same thickness and the parallel and butt joint of the edges, the parent body is an approximate parallelogram plate, one edge of the parent body is connected with the gradually enlarged dovetail part in a parallel and parallel mode, the cutter head is connected with the opposite edge of the parent body away from the dovetail part in an inclined mode and in circular arc transition, the front end of the cutter head is provided with a crushing working face and an auxiliary working face, the crushing working face comprises a front surface of the crushing working face, a front surface of the crushing working face and a back surface of the crushing working face, the front surface of the crushing working face and the back surface of the crushing working face are in circular arc transition, the auxiliary working face comprises a first auxiliary working face and a second auxiliary, the longitudinal slots divide the crushing face portion.
The width B1 of the grooving is 1/3 ~ 5/6 of the thickness B of the tool bit, namely B1 is 1/3B ~ 5/6B, the depth of the grooving is 2 ~ 5mm, and the wear-resistant alloy layer is filled in the grooving and the height of the wear-resistant alloy layer is equal to the notch of the grooving.
The optimization scheme comprises the following steps: the notch is a trapezoidal groove with an enlarged notch.
The further optimization scheme comprises the following steps: the bottom of the groove close to the groove in the groove is filled with a low-hardness wear-resistant alloy layer, and the groove is filled with the low-hardness wear-resistant alloy layer and the wear-resistant alloy layer.
The further optimization scheme comprises the following steps: and overlaying an outer wear-resistant alloy layer with the thickness of 2-5 mm on the part of the broken working surface of the cutter body, the end surface of the wear-resistant alloy layer and the part of the auxiliary working surface.
The further optimized scheme comprises the following steps: 1-3 vertical side shallow grooves are respectively formed in the two sides of the front end of the tool bit, the first auxiliary working face and the second auxiliary working face are divided by the vertical side shallow grooves, the depth of each vertical side shallow groove is 1-2 mm, the width of each vertical side shallow groove is 1-2 mm, and the vertical side shallow grooves are filled in the outer wear-resistant alloy layer.
Compared with the prior art, the beneficial effects of the utility model are that:
(1) the design of the tail of the tool bit is provided with the grooves and the wear-resistant alloy is filled and welded, so that the integral bending strength and the shearing strength of the wear-resistant alloy layer of the tool bit are enhanced, the impact resistance of the wear-resistant alloy layer is greatly improved, the wear-resistant alloy layer carries out comprehensive wear-resistant protection on a tool bit matrix, the bonding strength of the wear-resistant alloy layer is higher, failures such as collapse, brittle failure and the like are not easy to occur, and the effective service life is prolonged by more than 3-5 times.
(2) The wear-resistant alloy layer subjected to filling welding in the groove is divided into a two-layer structure, the low-hardness wear-resistant alloy layer is filled and welded at the bottom of the groove, the high-hardness wear-resistant alloy layer covers the groove and is flush with the groove opening, and the arrangement of the wear-resistant alloy layers with different hardness solves the problems of welding embrittlement, impact resistance and the like caused by the fact that the traditional cutter only increases the thickness of a welding layer to prolong the service life of the cutter. Because of the arrangement of the wear-resistant alloy layers with different hardness, the toughness of the alloy layers is enhanced, the shock resistance is improved, and the influence of welding stress caused by welding the high-hardness wear-resistant alloy layers after cooling is eliminated to the greatest extent.
(3) The auxiliary working faces on the two outer sides of the tool bit are additionally provided with a plurality of shallow grooves, wear-resistant alloy is filled and welded in the shallow grooves, and wear-resistant alloy layers are firmly adhered to the two side faces of the tool bit, so that the strength of the welded alloy layers is enhanced, and the single-side abrasion of the tool bit when part of manufacturers apply the tool bit is reduced.
To sum up, the utility model discloses a wear-resisting alloy-layer of tool bit is difficult for taking place the brittle fracture to have the characteristics that wearability and shock resistance are good, low in production cost, can improve the life of tearing the quick-witted cutter of solution.
Drawings
Fig. 1 is a side view (partial sectional view) of an embodiment of the present invention, and fig. 1A is a left side view (a-a sectional view) of fig. 1.
Fig. 2 is a side view of the cutter body of the embodiment of fig. 1, and fig. 2A is a left side view of fig. 2.
Fig. 3 is a schematic view of the structure of the sugarcane stripper tool of fig. 1 mounted on a sugarcane stripper.
Fig. 4 is a side view (partial sectional view) of another embodiment of the present invention, fig. 4A is a left side view (B-B sectional view) of fig. 4, and fig. 4B is a left side view of the cutter body of the embodiment of fig. 4.
Detailed Description
The invention is further illustrated by the following specific examples:
example 1
Referring to fig. 1 and fig. 1A, fig. 2 and fig. 2A, fig. 3, a sugarcane stripper knife comprises a knife body and a wear-resistant alloy layer, wherein the knife body is provided with a conjoined knife head 2, a parent body 3 and a dovetail part 4, the knife head 2, the parent body 3 and the dovetail part 4 are in a plate-shaped structure with the same thickness and the flush and butt joint of the edges, the parent body 3 is an approximate parallelogram plate, one edge of the parent body 3 is flush and connected with a gradually enlarged dovetail part 4, the knife head 2 is flush and obliquely connected with the opposite edge of the parent body 3 far away from the dovetail part 4 and is in arc transition,
the front end of the cutter head 2 is provided with a crushing working surface and an auxiliary working surface, the crushing working surface comprises a crushing working surface front J positioned on the front end surface, a crushing working surface front N connected with the front end surface and a crushing working surface back M, the crushing working surface front J, the crushing working surface front N and the crushing working surface back M are in arc transition, the auxiliary working surface comprises a first auxiliary working surface E and a second auxiliary working surface F connected with the front end surface,
the front end of the cutter head 2 has a longitudinal slot 1, the longitudinal slot 1 dividing the crushing face part.
The thickness B of the cutter of the embodiment is 25mm, the width B1 of the slot 1 is 12mm, the depth of the slot 1 is 3mm, and the wear-resistant alloy layer 5 is filled and welded in the slot 1, and the height of the wear-resistant alloy layer is equal to the height of the slot 1.
2 vertical side shallow grooves 21 are respectively formed in two sides of the front end of the tool bit 2, the first auxiliary working face E and the second auxiliary working face F are divided by the vertical side shallow grooves 21, and the depth of each vertical side shallow groove 21 is 1mm, and the width of each vertical side shallow groove 21 is 2 mm.
The outer wear-resistant alloy layer 6 with the thickness of 3mm is formed on the broken working surface part of the tool bit 2, the end surface of the wear-resistant alloy layer 5 and the auxiliary working surface part in a surfacing mode, and the vertical side shallow grooves 21 are filled with the outer wear-resistant alloy layer 6.
Fig. 3 is a schematic view of the sugarcane stripper cutter of the present embodiment installed on a sugarcane stripper.
Example 2
Referring to fig. 4, 4A and 4B, the present embodiment provides a sugarcane stripper knife with another structure, and the difference between the present embodiment and embodiment 1 is: the slot 1 is a trapezoidal slot with an enlarged slot opening, the depth of the slot 1 is 3mm, the width b1 of the slot opening is 14mm, and the width of the slot bottom is 12 mm.
In the grooving 1 of the present embodiment, the low-hardness wear-resistant alloy layer 51 with a thickness of 1.5mm and a hardness of 42HRC is first deposited, then the wear-resistant alloy layer 5 with a thickness of 1.5mm and a hardness of 68HRC is deposited, the height of the wear-resistant alloy layer is equal to that of the groove opening of the grooving 1, and finally the outer wear-resistant alloy layer 6 with a thickness of 3mm and a hardness of 62HRC is deposited on the crushing working surface (part) of the tool bit 2, the end surface of the wear-resistant alloy layer 5 and the auxiliary working surface (part).
Claims (6)
1. A sugarcane stripper cutter comprises a cutter body and a wear-resistant alloy layer, wherein the cutter body is provided with a cutter head (2), a parent body (3) and a dovetail part (4) which are connected with each other, the cutter head (2), the parent body (3) and the dovetail part (4) are of plate-shaped structures with the same thickness and the flush and butt joint of the edges, the parent body (3) is an approximate parallelogram plate, one edge of the parent body (3) is connected with the dovetail part (4) which is gradually enlarged in a flush and level manner, the cutter head (2) is connected with the opposite edge of the parent body (3) far away from the dovetail part (4) in a flush and inclined manner and is in arc transition, the front end of the cutter head (2) is provided with a crushing working surface and an auxiliary working surface, the crushing working surface comprises a crushing working surface front face (J) positioned on the front end face, a crushing working surface front face (N) connected with the front end face and a crushing working surface back face (M), and the crushing working, the auxiliary working surface comprises a first auxiliary working surface (E) and a second auxiliary working surface (F) which are connected with each other and are characterized in that: the front end part of the tool bit (2) is provided with a longitudinal groove (1), the longitudinal groove (1) divides the crushing working surface part, the width B1 of the groove (1) is 1/3-5/6 of the thickness B of the tool bit (2), namely B1 is 1/3B-5/6B, the depth of the groove (1) is 2-5 mm, and a wear-resistant alloy layer (5) is filled and welded in the groove (1) and the height of the wear-resistant alloy layer is equal to that of the groove opening of the groove (1).
2. The sugarcane stripper knife of claim 1, wherein: the slot (1) is a trapezoidal slot with an enlarged slot opening.
3. The sugarcane stripper knife of claim 1, wherein: the bottom of the near groove in the open groove (1) is filled with a low-hardness wear-resistant alloy layer (51), and the open groove (1) is filled with the low-hardness wear-resistant alloy layer (51) and the wear-resistant alloy layer (5).
4. The sugarcane peeler knife of claim 2, wherein: the bottom of the near groove in the open groove (1) is filled with a low-hardness wear-resistant alloy layer (51), and the open groove (1) is filled with the low-hardness wear-resistant alloy layer (51) and the wear-resistant alloy layer (5).
5. The sugarcane breaker knife of claim 1 or 2 or 3 or 4, wherein: and an outer wear-resistant alloy layer (6) with the thickness of 2-5 mm is formed on the broken working surface part of the cutter body, the end surface of the wear-resistant alloy layer (5) and the auxiliary working surface part in a surfacing mode.
6. The sugarcane stripper knife of claim 5, wherein: 1-3 vertical side shallow grooves (21) are respectively formed in the two sides of the front end of the tool bit (2), the first auxiliary working face (E) and the second auxiliary working face (F) are divided by the vertical side shallow grooves (21), the depth of each vertical side shallow groove (21) is 1-2 mm, the width of each vertical side shallow groove (21) is 1-2 mm, and the vertical side shallow grooves (21) are filled in the outer wear-resistant alloy layer (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922249368.2U CN212051473U (en) | 2019-12-16 | 2019-12-16 | Sugarcane tears machine knife utensil that separates |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922249368.2U CN212051473U (en) | 2019-12-16 | 2019-12-16 | Sugarcane tears machine knife utensil that separates |
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| Publication Number | Publication Date |
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| CN212051473U true CN212051473U (en) | 2020-12-01 |
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| CN201922249368.2U Active CN212051473U (en) | 2019-12-16 | 2019-12-16 | Sugarcane tears machine knife utensil that separates |
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Address after: No.10, shiliugang Road, Haizhu District, Guangzhou City, Guangdong Province 510000 Patentee after: Institute of biological and medical engineering, Guangdong Academy of Sciences Address before: No.10, shiliugang Road, Haizhu District, Guangzhou City, Guangdong Province 510000 Patentee before: Institute of bioengineering, Guangdong Academy of Sciences |
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Address after: No.10, shiliugang Road, Haizhu District, Guangzhou City, Guangdong Province 510000 Patentee after: Institute of bioengineering, Guangdong Academy of Sciences Address before: 510316, 10, pomegranate Road, Guangzhou, Guangdong, Haizhuqu District Patentee before: GUANGDONG PROVINCIAL BIOENGINEERING INSTITUTE (GUANGZHOU SUGARCANE INDUSTRY RESEARCH INSTITUTE) |